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@@ -1194,15 +1194,16 @@ int open_ubd_file(char *file, struct openflags *openflags,
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int fd, err, sectorsize, asked_switch, mode = 0644;
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fd = os_open_file(file, *openflags, mode);
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- if(fd < 0){
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- if((fd == -ENOENT) && (create_cow_out != NULL))
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+ if (fd < 0) {
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+ if ((fd == -ENOENT) && (create_cow_out != NULL))
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*create_cow_out = 1;
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- if(!openflags->w ||
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- ((fd != -EROFS) && (fd != -EACCES))) return(fd);
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+ if (!openflags->w ||
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+ ((fd != -EROFS) && (fd != -EACCES)))
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+ return fd;
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openflags->w = 0;
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fd = os_open_file(file, *openflags, mode);
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- if(fd < 0)
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- return(fd);
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+ if (fd < 0)
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+ return fd;
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}
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err = os_lock_file(fd, openflags->w);
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@@ -1212,7 +1213,8 @@ int open_ubd_file(char *file, struct openflags *openflags,
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}
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/* Succesful return case! */
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- if(backing_file_out == NULL) return(fd);
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+ if(backing_file_out == NULL)
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+ return(fd);
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err = read_cow_header(file_reader, &fd, &version, &backing_file, &mtime,
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&size, §orsize, &align, bitmap_offset_out);
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@@ -1221,7 +1223,8 @@ int open_ubd_file(char *file, struct openflags *openflags,
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"errno = %d\n", file, -err);
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goto out_close;
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}
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- if(err) return(fd);
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+ if(err)
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+ return(fd);
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asked_switch = path_requires_switch(*backing_file_out, backing_file, file);
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@@ -1230,24 +1233,24 @@ int open_ubd_file(char *file, struct openflags *openflags,
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printk("Switching backing file to '%s'\n", *backing_file_out);
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err = write_cow_header(file, fd, *backing_file_out,
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sectorsize, align, &size);
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- if(err){
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+ if (err) {
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printk("Switch failed, errno = %d\n", -err);
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goto out_close;
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}
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- }
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- else {
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+ } else {
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*backing_file_out = backing_file;
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err = backing_file_mismatch(*backing_file_out, size, mtime);
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- if(err) goto out_close;
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+ if (err)
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+ goto out_close;
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}
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cow_sizes(version, size, sectorsize, align, *bitmap_offset_out,
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bitmap_len_out, data_offset_out);
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- return(fd);
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+ return fd;
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out_close:
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os_close_file(fd);
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- return(err);
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+ return err;
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}
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int create_cow_file(char *cow_file, char *backing_file, struct openflags flags,
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